EP 2977660 A1 20160127 - SNAP TAP MOLDING METHOD AND SNAP TAP ATTACHMENT TOOL USED IN SAID METHOD
Title (en)
SNAP TAP MOLDING METHOD AND SNAP TAP ATTACHMENT TOOL USED IN SAID METHOD
Title (de)
SCHNAPPHAHN-FORMVERFAHREN UND IN DIESEM VERFAHREN VERWENDETES SCHNAPPHAHN-BEFESTIGUNGSWERKZEUG
Title (fr)
PROCÉDÉ DE MOULAGE DE ROBINET À ENCLENCHEMENT ET OUTIL DE FIXATION DE ROBINET À ENCLENCHEMENT UTILISÉ DANS CE PROCÉDÉ
Publication
Application
Priority
- JP 2013058820 A 20130321
- JP 2013058821 A 20130321
- JP 2013072200 A 20130329
- JP 2014058140 W 20140324
Abstract (en)
Provided is a snap tap forming method which can preventing a leakage of water through between an existing pipe and a regeneration pipe in a method of performing a branching work in a state where the supply of city water is not cut off. In the snap tap forming method, a partition wall 25 which is formed along a curvature of an outer peripheral wall surface of a water pipe 11 is hermetically brought into pressure contact with the outer peripheral wall of the water pipe 11 and is mounted on the outer peripheral wall of the water pipe 11 at a position which corresponds to an inflow opening portion of a gate valve 15 and at which a snap tap of the water pipe 11 is formed, and a center drill guide small hole 26 which is aligned with an axis of the snap tap 14 is formed in a center portion of partition wall 25 by drilling, and in forming the hole in the water pipe 11 by drilling, a center drill 45 of a drilling machine 43 which is inserted into and accommodated in the inside of a water flow sleeve of the gate valve 15 in an advanceable and retractable manner is inserted into the center drill guide small hole 26, and a water diverting port 62 is formed in the partition wall and a peripheral wall of the water pipe 11 using a core drill 46 by advancing the drilling machine 43 while estimating a drilling center and, thereafter, the drilling machine 43 is removed from the inside of a water flow passage 16 in the gate valve 15, and the snap tap is communicably connected to the water diverting port by a snap tap attaching tool 10 provided separately.
IPC 8 full level
B23B 41/08 (2006.01); F16L 1/024 (2006.01); F16L 41/06 (2006.01); F16K 1/12 (2006.01)
CPC (source: EP US)
F16K 1/12 (2013.01 - US); F16L 41/06 (2013.01 - EP US); Y10T 137/612 (2015.04 - EP US)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 2977660 A1 20160127; EP 2977660 A4 20161123; EP 2977660 B1 20180725; CN 105190145 A 20151223; CN 105190145 B 20170704; HK 1214334 A1 20160722; JP 6211060 B2 20171011; JP WO2014148645 A1 20170216; KR 102101371 B1 20200416; KR 20160002719 A 20160108; US 2016281897 A1 20160929; US 9719621 B2 20170801; WO 2014148645 A1 20140925
DOCDB simple family (application)
EP 14770739 A 20140324; CN 201480016385 A 20140324; HK 16102323 A 20160229; JP 2014058140 W 20140324; JP 2015506870 A 20140324; KR 20157025529 A 20140324; US 201414778307 A 20140324